The Boston house数据分析-word资料(精).docx

The Boston house-price data of Harrison, D. and Rubinfeld, . 'Hedonic prices and the demand for clean air', J. Environ. Economics & Management, , 81-102, 1978. Used in Belsley, Kuh & Welsch, 'Regression diagnostics ...', Wiley, 1980. . Various transformations are used in the table on pages 244-261 of the latter. Variables in order: CRIM per capita crime rate by town ZN proportion of residential land zoned for lots over 25,000 . INDUS proportion of non-retail business acres per town CHAS Charles River dummy variable (=1 if tract bounds river; 0 otherwise) NOX nitric oxides concentration (parts per 10 million) RM average number of rooms per dwelling AGE proportion of owner-occupied units built prior to 1940 DIS weighted distances to five Boston employment centres RAD index of accessibility to radial highways TAX full-value property-tax rate per $10,000 PTRATIO pupil-teacher ratio by town B 1000(Bk - )^2 where Bk is the proportion of blacks by town LSTAT % lower status of the population MEDV Median value of owner-occupied homes in $1000's 0 1 0 2 0 2 0 3 0 3 0 3 0 5 0 5 0 5 0 5 0 5 0